The snowmobile did not make it across the open water, and the man and his machine were submerged into the river.

A second man tried to help, but the rescuer also fell into the water.

The body of what is believed to be one of the missing males was located approximately two kilometers downstream from where he initially fell in, police say, and a search is on in hopes of locating the missing man.

A RCMP helicopter was on the scene Sunday, to assist with the search for the missing man.

One snowmobile is under water in the river and Whitecourt RCMP believe alcohol was involved in the incident.